61071280

素因数分解:

$2^4\times 5^1\times {\mathrm{763391}}^1$

素因数の和:763404

約数の個数: 20

約数和(自身を含む): 141990912

約数和(自身を除く): 80919632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 763391, 1526782, 3053564, 3816955, 6107128, 7633910, 12214256, 15267820, 30535640, 61071280]

約数ペア:

[(1, 61071280), (2, 30535640), (4, 15267820), (5, 12214256), (8, 7633910), (10, 6107128), (16, 3816955), (20, 3053564), (40, 1526782), (80, 763391)]